File indexing completed on 2024-04-21 03:56:13

 /*
     SPDX-FileCopyrightText: 2010 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.net>
     SPDX-FileContributor: Stephen Kelly <stephen@kdab.com>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #ifndef BREADCRUMBNAVIGATION_WIDGET_H
 #define BREADCRUMBNAVIGATION_WIDGET_H
 
 #include "klinkitemselectionmodel.h"
 #include <kselectionproxymodel.h>
 
 #include <QItemSelection>
 #include <QLabel>
 #include <QWidget>
 
 class CurrentItemLabel : public QLabel
 {
     Q_OBJECT
 public:
     CurrentItemLabel(QAbstractItemModel *model, QWidget *parent = nullptr, Qt::WindowFlags f = Qt::WindowFlags());
 
 private Q_SLOTS:
     void rowsInserted(const QModelIndex &parent, int start, int end);
     void rowsRemoved(const QModelIndex &parent, int start, int end);
     void dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);
     void modelReset();
 
 private:
     QAbstractItemModel *m_model;
 };
 
 class KBreadcrumbNavigationProxyModel : public KSelectionProxyModel
 {
     Q_OBJECT
 public:
     KBreadcrumbNavigationProxyModel(QItemSelectionModel *selectionModel, QObject *parent = nullptr);
 
     void setShowHiddenAscendantData(bool showHiddenAscendantData);
     bool showHiddenAscendantData() const;
 
     QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
 
 private:
     bool m_showHiddenAscendantData;
 };
 
 class KNavigatingProxyModel : public KSelectionProxyModel
 {
     Q_OBJECT
 public:
     KNavigatingProxyModel(QItemSelectionModel *selectionModel, QObject *parent = nullptr);
 
     void setSourceModel(QAbstractItemModel *sourceModel) override;
 
     QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
 
 private Q_SLOTS:
     void modelReset();
     void updateNavigation();
     void navigationSelectionChanged(const QItemSelection &, const QItemSelection &);
 
 private:
 private:
     using KSelectionProxyModel::setFilterBehavior;
 
     QItemSelectionModel *m_selectionModel;
 };
 
 class KForwardingItemSelectionModel : public QItemSelectionModel
 {
     Q_OBJECT
 public:
     enum Direction {
         Forward,
         Reverse,
     };
     KForwardingItemSelectionModel(QAbstractItemModel *model, QItemSelectionModel *selectionModel, QObject *parent = nullptr);
     KForwardingItemSelectionModel(QAbstractItemModel *model, QItemSelectionModel *selectionModel, Direction direction, QObject *parent = nullptr);
 
     void select(const QModelIndex &index, SelectionFlags command) override;
     void select(const QItemSelection &selection, SelectionFlags command) override;
 
 private Q_SLOTS:
     void navigationSelectionChanged(const QItemSelection &selected, const QItemSelection &deselected);
 
 private:
     QItemSelectionModel *m_selectionModel;
     Direction m_direction;
 };
 
 class BreadcrumbNavigationWidget : public QWidget
 {
     Q_OBJECT
 public:
     BreadcrumbNavigationWidget(QWidget *parent = nullptr, Qt::WindowFlags f = Qt::WindowFlags());
 };
 
 #endif